Datasheet > MIC5167

MIC5167

更新时间： 2024-11-30 14:53:27

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
23页	712K
描述
The MIC5167 is a high-efficiency, 6A, integrated switch, synchronous buck (step-down) regulator de

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MIC5167 数据手册

MIC5167

1MHz, 6A, Integrated Switch,

High-Efficiency, Synchronous Buck

DDR Memory Terminator

General Description

Features

The MIC5167 is a high-efficiency, 6A, integrated switch,

synchronous regulator designed for use as a double data

rate (DDR) or quad data rate (QDR) terminator. The

MIC5167 is optimized for highest efficiency, achieving

more than 94% efficiency while still switching at 1MHz

over a broad range. The device works with a small 0.4µH

inductor and 300µF output capacitor. The MIC5167 offers

• Input voltage range: 2.6V to 5.5V

• V_TTvoltage adjustable down to 0.35V

• Output load current up to ±6A

• Power-Good (PG) fault flag

• Efficiency > 94% across a broad load range

• Ultra-fast transient response

• Easy RC compensation

• 100% maximum duty cycle

• Fully-integrated MOSFET switches

• Micropower shutdown

simple, low-cost, JEDEC-compliant solution for

terminating high-speed, low-voltage, digital buses (i.e.

DDR, DDR2, DDR3, DDR3L, DDR3UL, DDR4, SCSI, GTL,

SSTL, HSTL, LV-TTL, LV-PECL, and LV_ECL) with a

Power-Good (PG) output.

• Thermal-shutdown and current-limit protection

The output voltage is controlled externally by input to the

VDDQ pin. The output voltage is one-half the voltage

applied to the VDDQ pin. The output voltage can be

adjusted down to 0.6V to address low-voltage power

needs. The MIC5167 will source 6A and sink up to 6A.

• 24-pin 4mm x 4mm MLF^®

• –40°C to +125°C junction temperature range

Applications

A window comparator monitors the output voltage and

controls the PG output. If the output voltage is outside

±15% limit of VREF the PG is driven low.

The MIC5167 is available in a 24-pin 4mm x 4mm MLF^®

• Double data rate (DDR) or quad data rate (QDR)

memory terminator

• High power density point-of-load conversion

• Servers and routers

with a junction operating range from –40°C to +125°C.

• DVD recorders / Blu-ray players

• Computing peripherals

Data sheets and support documentation can be found on

Micrel’s web site at: www.micrel.com.

• Base stations

• FPGAs, DSP, and low-voltage ASIC power

____________________________________________________________________________________________________________

Typical Application

MIC5167 ±6A Synchronous Buck DDR Terminator

Ramp Control is a trademark of Micrel, Inc.

MLF and MicroLeadFrame are registered trademarks of Amkor Technology, Inc.

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

M9999-012312-B

January 2012

12 3 4 5 6 7...23

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与MIC5167相关器件

型号	品牌	获取价格	描述	数据表
MIC5167_12	MICREL	获取价格	1MHz, 6A, Integrated Switch, High-Efficiency, Synchronous Buck DDR Memory Terminator
MIC5167YML	MICREL	获取价格	1MHz, 6A, Integrated Switch, High-Efficiency, Synchronous Buck DDR Memory Terminator
MIC5167YMLTR	MICREL	获取价格	SWITCHING REGULATOR, QCC24, 4 X 4 MM, GREEN, MLF-24
MIC5167YML-TR	MICROCHIP	获取价格	SWITCHING REGULATOR, QCC24
MIC5190	MICREL	获取价格	Ultra High-Speed, High-Current Active Filter/LDO Controller
MIC5190	MICROCHIP	获取价格	The MIC5190 is an ultra high-speed linear regulator. It uses an external N-Channel FET as
MIC5190_04	MICREL	获取价格	Ultra High-Speed, High-Current Active Filter/LDO Controller
MIC5190_05	MICREL	获取价格	Ultra High-Speed, High-Current Active Filter/LDO Controller
MIC5190BML	MICROCHIP	获取价格	Analog Circuit, 1 Func, PDSO10, 3 X 3 MM, MLF-10
MIC5190BML	MICREL	获取价格	Ultra High-Speed, High-Current Active Filter/LDO Controller

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